SIGMAKOKI Reasonably priced achromatic lenses S-DLB series

Sebelum PPN:
Rp839.900 - Rp1.999.900

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Informasi Produk

Description
This product has a surface quality one rank lower than that of the spherical achromatic lens (DLB). It can be used in optical systems that do not require high surface quality, such as telescope lenses and microscope imaging lenses.
Feature
Specification
( Common Specifications)Material: BK7, SF2, Design Wavelength: Blue: 486.1nm, Green: 546.1nm, Blue: 656.3nm, Eccentricity: <3′, Coating: Anti-reflective coating, Scratch-Dig: 60-40, Effective Diameter: 90% of Outer Diameter, (Individual Specifications)Outer Diameter DIAD: DIA25mm, Focal Length f: 50.1mm, Edge Thickness te: 7.1mm, Center Thickness tc: 10.9mm, Back Focus fb: 44.9mm

Ulasan Produk

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